slank gitje
EN

slank gitje

Cheilosia mutabilis

UnknownLCEULCEU

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Cheilosia_mutabilis

Overview

A detailed profile for this species is sourced from the IUCN Red List of Threatened Species as assessments become available.

Cheilosia mutabilis faces severe population declines primarily due to habitat degradation and loss of its specialized wetland breeding sites. Agricultural intensification and drainage of marshy areas have eliminated critical larval development habitats, while climate change is altering the hydrology of remaining suitable wetlands. The species' narrow ecological requirements and limited dispersal ability make it particularly vulnerable to landscape-level changes.

Threat summary

Habitat

This hoverfly species inhabits wet meadows, marshes, and boggy areas with abundant flowering plants, particularly favoring sites with Ranunculus and other moisture-loving vegetation. The larvae develop in waterlogged soils and decaying organic matter in these specialized wetland environments.

Other threatened species in Syrphidae

kustplatvoetjeEN

kustplatvoetje

Platycheirus immarginatus

Unknown
CR

Merodon longispina

Unknown
saksische fopwespCR

saksische fopwesp

Chrysotoxum verralli

Unknown
zwartpootgitjeCR

zwartpootgitje

Cheilosia nigripes

Unknown

Threatened in Åland Islands

Calidris ferrugineaVU

Calidris ferruginea

Declining
Scarce BlackneckCR

Scarce Blackneck

Lygephila craccae

Unknown
EN

knopphodeedderkopp

Walckenaeria nodosa

Unknown
EN

Dolichopus notatus

Unknown

Frequently asked questions

Why is slank gitje classified as Endangered?
slank gitje is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. Cheilosia mutabilis faces severe population declines primarily due to habitat degradation and loss of its specialized wetland breeding sites. Agricultural intensification and drainage of marshy areas have eliminated critical larval development habitats, while climate change is altering the hydrology of remaining suitable wetlands. The species' narrow ecological requirements and limited dispersal ability make it particularly vulnerable to landscape-level changes.
Where does slank gitje live?
slank gitje occurs in Åland Islands, Algeria, Austria, Belarus, Belgium, and Czechia (plus 22 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to slank gitje?
The main threats to slank gitje are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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